CVE-2025-59136 in Gerencianet Oficial Plugin
Summary
by MITRE • 12/31/2025
Insertion of Sensitive Information Into Sent Data vulnerability in Efí Bank Gerencianet Oficial allows Retrieve Embedded Sensitive Data.This issue affects Gerencianet Oficial: from n/a through 3.1.3.
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Analysis
by VulDB Data Team • 12/31/2025
The vulnerability identified as CVE-2025-59136 represents a critical insertion of sensitive information into sent data flaw within the Efí Bank Gerencianet Oficial application. This vulnerability falls under the CWE-200 category of Information Exposure and specifically manifests as an insertion of sensitive data into transmitted information, creating a significant risk for financial data compromise. The affected version range indicates that all versions from the initial release through 3.1.3 are potentially vulnerable, suggesting this issue has persisted across multiple iterations of the software. The vulnerability enables attackers to retrieve embedded sensitive data that should not be exposed during transmission processes, creating a fundamental breach in the application's data protection mechanisms.
The technical flaw occurs when the application processes data transmission operations where sensitive information becomes inadvertently embedded within sent data packets. This typically happens when the application fails to properly sanitize or filter data before transmission, allowing confidential information such as user credentials, account details, transaction records, or personal identification numbers to be included in outbound communications. The vulnerability is particularly concerning because it operates at the data transmission layer where sensitive information flows between client applications and backend systems, potentially exposing critical financial data to interception during network transmission.
From an operational impact perspective, this vulnerability creates substantial risk for both end users and financial institutions utilizing the Gerencianet Oficial platform. Attackers could exploit this weakness to intercept and extract sensitive financial information during normal transaction processing, potentially leading to unauthorized access to user accounts, fraudulent transactions, and identity theft. The vulnerability's scope extends beyond simple data exposure as it affects the fundamental integrity of the application's communication protocols, potentially compromising the entire transaction processing ecosystem. Organizations relying on this platform face increased regulatory compliance risks and potential financial liability from data breaches.
Mitigation strategies for this vulnerability should focus on implementing comprehensive data sanitization protocols at all transmission points within the application. Security measures must include input validation, output encoding, and proper data filtering mechanisms to prevent sensitive information from being embedded in transmitted data. Organizations should immediately update to the latest available version of Gerencianet Oficial to address this vulnerability, while also implementing network monitoring to detect and prevent unauthorized data exfiltration attempts. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in related systems. The remediation process should align with industry standards including the OWASP Top Ten security practices and follow the ATT&CK framework's data exposure techniques to ensure comprehensive protection against similar vulnerabilities in the future.